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R. K. Islamgaliev V. D. Sitdikov K. M. Nesterov A. V. Ganeev E. V. Bochkova 《Russian Metallurgy (Metally)》2014,2014(3):234-240
Structural studies of the nanocrystalline titanium powders produced by cryogenic milling followed by severe plastic deformation consolidation are performed. The results obtained are compared with the results obtained for monolithic titanium subjected to severe plastic deformation by torsion. 相似文献
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Alexander S. Goryashchenko Maria G. Khrenova Anna A. Bochkova Tatiana V. Ivashina Leonid M. Vinokurov Alexander P. Savitsky 《International journal of molecular sciences》2015,16(7):16642-16654
This article describes the genetically encoded caspase-3 FRET-sensor based on the terbium-binding peptide, cleavable linker with caspase-3 recognition site, and red fluorescent protein TagRFP. The engineered construction performs two induction-resonance energy transfer processes: from tryptophan of the terbium-binding peptide to Tb3+ and from sensitized Tb3+ to acceptor—the chromophore of TagRFP. Long-lived terbium-sensitized emission (microseconds), pulse excitation source, and time-resolved detection were utilized to eliminate directly excited TagRFP fluorescence and background cellular autofluorescence, which lasts a fraction of nanosecond, and thus to improve sensitivity of analyses. Furthermore the technique facilitates selective detection of fluorescence, induced by uncleaved acceptor emission. For the first time it was shown that fluorescence resonance energy transfer between sensitized terbium and TagRFP in the engineered construction can be studied via detection of microsecond TagRFP fluorescence intensities. The lifetime and distance distribution between donor and acceptor were calculated using molecular dynamics simulation. Using this data, quantum yield of terbium ions with binding peptide was estimated. 相似文献
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Savin Evgeny A. Bochkova Elena N. Kirtaev Roman V. Iannacci Jacopo 《Microsystem Technologies》2019,25(6):2191-2195
This article presents the results of the series of experimental tests of a packaged RF MEMS switch manufactured as a chip on a silicon substrate in the Center for Materials and Microsystems of Fondazione Bruno Kessler. Experiments have been performed up to 25 GHz and included S-parameters check in different operation and environmental conditions, including variation of input power, ambient temperature and number of switching cycles. Presented RF MEMS SPST switch is a basic element of more complex reconfigurable networks such as SPxT switches, phase shifters, power attenuators etc.
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T. S. Bochkova S. V. Igonin D. A. Usanov A. É. Postelga 《Russian Journal of Nondestructive Testing》2018,54(8):576-584
The possibility of simultaneously determining four parameters of a ferrofluid (permittivity, the volume fraction of solid phase, loss tangent, and the diameter of ferrofluid particles) based on the temperature dependence of microwave reflection spectrum has been investigated. It has been shown that taking the dimensions and spatial arrangement of magnetite-nanoparticle agglomerates into account improves the accuracy of determining the parameters. 相似文献
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